ABCMdb

ABCC7 p.Thr854Ala

ClinVar:	c.2562T>G , p.Thr854= N , Benign/Likely benign
Predicted by SNAP2:	A: N (87%), C: N (82%), D: N (72%), E: N (78%), F: N (82%), G: N (93%), H: N (93%), I: N (82%), K: N (87%), L: N (82%), M: N (93%), N: N (93%), P: N (66%), Q: N (93%), R: N (87%), S: N (97%), V: N (82%), W: N (57%), Y: N (82%),
Predicted by PROVEAN:	A: N, C: N, D: N, E: N, F: N, G: N, H: N, I: N, K: N, L: N, M: N, N: N, P: N, Q: N, R: N, S: N, V: N, W: N, Y: N,

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Publications
[hide] Phenotypic characterisation of patients with inter... Thorax. 2009 Aug;64(8):683-91. Epub 2009 Mar 23. Goubau C, Wilschanski M, Skalicka V, Lebecque P, Southern KW, Sermet I, Munck A, Derichs N, Middleton PG, Hjelte L, Padoan R, Vasar M, De Boeck K
Phenotypic characterisation of patients with intermediate sweat chloride values: towards validation of the European diagnostic algorithm for cystic fibrosis.
Thorax. 2009 Aug;64(8):683-91. Epub 2009 Mar 23., [PMID:19318346]

Abstract [show]
BACKGROUND: In patients with symptoms suggestive of cystic fibrosis (CF) and intermediate sweat chloride values (30-60 mmol/l), extensive CFTR gene mutation analysis and nasal potential difference (NPD) measurement are used as additional diagnostic tests and a positive result in either test provides evidence of CFTR dysfunction. To define the phenotype of such patients and confirm the validity of grouping them, patients with intermediate sweat chloride values in whom either additional CF diagnostic test was abnormal were compared with subjects in whom this was not the case and patients with classic CF. METHODS: The phenotypic features of four groups were compared: 59 patients with CFTR dysfunction, 46 with an intermediate sweat chloride concentration but no evidence of CFTR dysfunction (CF unlikely), 103 patients with CF and pancreatic sufficiency (CF-PS) and 62 with CF and pancreatic insufficiency (CF-PI). RESULTS: The CFTR dysfunction group had more lower respiratory tract infections (p = 0.01), more isolation of CF pathogens (p<0.001) and clubbing (p = 0.001) than the CF unlikely group, but less frequent respiratory tract infections with CF pathogens than the CF-PS group (p = 0.05). Patients in the CF-PS group had a milder phenotype than those with PI. Many features showed stepwise changes through the patient groups. CONCLUSION: Patients with intermediate sweat chloride values and two CFTR mutations or an abnormal NPD measurement have a CF-like phenotype compatible with CFTR dysfunction and, as a group, differ phenotypically from patients with intermediate sweat chloride values in whom further CF diagnostic tests are normal as well as from CF-PS and CF-PI patients.

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60 Table 2 CFTR mutations in the patient subgroups CF-PS CFTR dysfunction CF unlikely Genotype Subjects (n) Genotype Subjects (n) Genotype Subjects (n) F508del*/Not found 12 F508del*/3849+10 kb(C.T){ 11 Not found/Not found 39 Not found/Not found 10 F508del*/R117H{ 7 F508del*/Not found 4 F508del*/3849+10 kb(C.T){ 7 F508del*/Not found 7 IVS8-5T{/Not found 1 F508del*/R347P{ 5 Not found/Not found 5 S1235E/E528E 1 F508del*/R117H{ 4 F508del*/D1152H{ 4 No mutation analysis 1 F508del*/2789+5G.A{ 4 F508del*/IVS8-5T{ 4 Total 46 F508del*/S945L* 3 F508del*/S945L* 2 2789+5G.A{/Not found 3 W1282X*/IVS8-5T{ 2 F508del*/3272-26 A.G{ 2 F508del*/R1070W{ 1 F508del*/A455E{ 2 F508del*/L159S 1 F508del*/711+5G.A 2 F508del*/T1246I 1 F508del*/2789+5G.A 2 F508del*/L165S 1 G542X*/R334W{ 2 W1282X*/D1152H{ 1 F508del*/R334W{ 2 R1162X*/D1152H{ 1 R347P{/Not found 2 R347Hu/D1152H{ 1 F508del*/2116delCTAA 1 R553X*/R117H{ 1 F508del*/IVS8-5T{ 1 3659delC*/R117H{ 1 F508del*/D1152H{ 1 3849+10kb(C.T){/G551R 1 F508del*/711+3A.G 1 R1162X*/3849+10 kb(C.T){ 1 F508del*/L206W{ 1 2789+5G.A{/Not found 1 F508del*/I336K{ 1 G542X*/T854A 1 F508del*/G970D 1 R553X*/Q1463H 1 F508del*/L159S 1 S1235R/R668C 1 F508del*/R751L 1 2789+5G.A{/S977F 1 F508del*/E656X 1 No mutation analysis 1 F508del*/4015delA 1 Total 59 F508del*/Y913S 1 F508del*/L165S 1 F508del*/2143delT 1 G551D*/I336K{ 1 G551D*/3272-26A.G{ 1 G551D*/711+3A.G 1 R553X*/4005+2T.C 1 R553X*/E92K{ 1 G542X*/L206W{ 1 W1282X*/I336K 1 R1162X*/3849+10 kb(C.T){ 1 R1162X*/2789+5G.A{ 1 574delA*/3141del9 1 9890X/I105N 1 R334W{/R1070Q{ 1 3272-26A.G{/4218insT 1 3272-26A.G{/L165S 1 711+3A.G/G1244E 1 R352Q/1812-1G.A 1 F1052V/IVS8-5T{ 1 R74W/D1270N 1 1898-3G.A/1898-3G.A 1 1717-1G.A*/R334W{ 1 3659delC*/Not found 1 394delTT/Not found 1 R1162X*/Not found 1 R553X*/Not found 1 R117H{/Not found 1 G85E*/Not found 1 3849+10k(C.T){/Not found 1 Total 103 *Mutation class I, II or III. Login to comment